互动封闭仿真课堂
1、智能交互 2、电子板书式视频教学 3、在线互动问答 4、封闭课堂启发式教学方式
随堂测试、知识梳理、易错点揭示、总结启迪智能错题本
听课中的错题能自动加入错题本，课后可方便复习及导出错题本升级服务
在线答疑、课后同类题练习、讲义下载、短信提醒2. What is the main difference between the two parts of Valencia?
A. The colour of the building
B. The length of the streets
C. The age of the buildings
D. The colour of the roofs
3. When was Valencia the most important city in Spain?
A.2nd century
B.8th century
C.13th century
D. 20the century
4. What is Valencia famous for?
A. Its seaport
B. Its university
C. Its churches and museums
D. Its parks and gardens
5. The main income of the city of Valencia is from its ______.
A. markets
B. business
C. factories
D. farming
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